diff --git a/platform/embedded/hal_uart_dma.h b/platform/embedded/hal_uart_dma.h
index e4316abb2..7ad85d583 100644
--- a/platform/embedded/hal_uart_dma.h
+++ b/platform/embedded/hal_uart_dma.h
@@ -85,7 +85,7 @@ int  hal_uart_dma_set_baud(uint32_t baud);
  * @brief Set flowcontrol
  * @param flowcontrol enabled
  */
-int  hal_uart_dma_set_flowcontrol(uint32_t flowcontrol);
+int  hal_uart_dma_set_flowcontrol(int flowcontrol);
 #endif
 
 /**